diff --git a/manifests/tex.scm b/manifests/tex.scm
index c04e2ff..cae5dcc 100644
--- a/manifests/tex.scm
+++ b/manifests/tex.scm
@@ -3,7 +3,9 @@
   (gnu packages tex))
 
 (packages->manifest
-  (list texlive-amsfonts
+  (list texlive-amscls
+        texlive-amsfonts
+        texlive-amslatex-primer
         texlive-scheme-minimal
         texlive-babel-french
         texlive-beamer